EP3570960B1 - Liquid separator with improved filter service access - Google Patents

Liquid separator with improved filter service access Download PDF

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Publication number
EP3570960B1
EP3570960B1 EP18707140.2A EP18707140A EP3570960B1 EP 3570960 B1 EP3570960 B1 EP 3570960B1 EP 18707140 A EP18707140 A EP 18707140A EP 3570960 B1 EP3570960 B1 EP 3570960B1
Authority
EP
European Patent Office
Prior art keywords
cover
liquid separator
filter element
shield
aforementioned
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18707140.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3570960A2 (en
Inventor
Kristof Adrien L MARTENS
Steven Maurits R LAURENT
Walter Josee L ADRIAENSSENS
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Atlas Copco Airpower NV
Original Assignee
Atlas Copco Airpower NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Atlas Copco Airpower NV filed Critical Atlas Copco Airpower NV
Publication of EP3570960A2 publication Critical patent/EP3570960A2/en
Application granted granted Critical
Publication of EP3570960B1 publication Critical patent/EP3570960B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0002—Casings; Housings; Frame constructions
    • B01D46/0005—Mounting of filtering elements within casings, housings or frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411—Filter cartridges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411—Filter cartridges
    • B01D46/2414—End caps including additional functions or special forms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/4227—Manipulating filters or filter elements, e.g. handles or extracting tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/58—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/88—Replacing filter elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2265/00—Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2265/02—Non-permanent measures for connecting different parts of the filter
    • B01D2265/028—Snap, latch or clip connecting means

Definitions

  • the present invention relates to a liquid separator.
  • a filter element is a heavy and bulky part that is not easy to take out when saturated with oil.
  • Liquid separators are already known whereby the filter element is replaced by different separate filter elements in a modular setup.
  • the purpose of the present invention is to provide a solution to at least one of the aforementioned and other disadvantages.
  • the object of the present invention is a liquid separator comprising a vessel with an inlet for a liquid/gas mixture, whereby this vessel defines a space which at the top is closed by means of a cover, whereby the liquid separator is provided with an outlet for treated gas, whereby in the aforementioned space a shield is provided that extends around the aforementioned outlet and which comprises a bottom wall with one or more inlet openings, whereby a chamber is defined by the shield, the bottom wall and the cover, whereby in the thus formed chamber at least one removable filter element is provided that extends from the bottom wall around the inlet opening, such that between the shield and the removable filter element an outlet zone is defined which is in connection with the aforementioned outlet, characterised in that in the aforementioned cover a corresponding small removable cover is provided above each removable filter element such that each removable filter element can be taken out and/or replaced upon removal of the corresponding small removable cover; and that the removable filter element is fitted with a cap or cover element at the top, whereby on this cap or cover element an elevation is provided
  • the filter element is provided with a cap or cover element at the top, whereby on this cap or cover element an elevation is provided, whereby a cut-away is provided in the elevation that can be opened with a tool provided with a detailing with a form that is complementary to the cut-away.
  • the small removable cover is provided at the bottom with a cavity that is complementary to the elevation of the aforementioned cap.
  • the vessel 2 defines a space 4 which at the top is closed by means of a cover 5.
  • the outlet 6 is provided in the sidewall 7 of the vessel 2. It is not excluded that in this embodiment the outlet 6 is provided in the cover 5, such as in figures 1 and 2 .
  • a shield 8 is provided that extends around the aforementioned outlet 6.
  • the shield 8 is provided with a collar or flange 9 in both embodiments.
  • this collar and flange 9 are attached at the level of the cover 5, such that the shield 8 extends from the aforementioned cover 5, and in figures 3 and 4 this collar or flange 9 is attached to the sidewall of the vessel.
  • At least one filter element 13 is located in this chamber 12 that extends from the bottom wall 10 around an inlet opening 11.
  • filter elements 13 are provided, each with an accompanying inlet opening 11. However, it is also possible only two or three filter elements 13 are provided or more than four, e.g. 5, 6, 7 or 8.
  • a small removable cover 16 is provided above each filter element 13 in the aforementioned cover 5.
  • These small removable covers 16 can be screwed on the cover 5 using one or more bolts, screws or the like.
  • These small removable covers 16 can also be attached to the cover 5 using other attachment means, as long as these attachment means allow the small removable cover 16 to be loosened again.
  • the filter element 13 is provided with a cap 17 or cover element at the top, whereby on this cap 17 or cover element an elevation 18 is provided, whereby a cut-away 19 is provided in the elevation 18 that can work with a tool 20 provided with a detailing 20a with a form complementary to the cut-away 19.
  • a filter element 13 can be taken out of the liquid separator 1, by letting the detailing 20a work with the cut-aways 19 in the elevation 18 of the cap 17 of the filter element 13.
  • the elevation 18 can be done in different ways.
  • the elevation 18 in figure 5 is formed by a U-shaped profile 21 with a bottom 22 and two upright arms 23, which are attached to the cap 17 with the free ends of the upright arms 23.
  • the cut-away 19 in the bottom is made in the form of arcs 24.
  • the arcs 24 have the same centre.
  • the tool 20 comprises a hollow tubular part 25, whereby the circular edge 26 of the tubular part 25 is provided with at least one arch-shaped extension 27 in the axial direction, whereby this extension 27 is provided with at least one notch 28 in the axial edge of the extension 27, whereby the notch 28 extends in the circumferential direction of the tubular part 25.
  • the rotation of the tool 20 means the tool 20 will be able to couple with the cap 17 as it were whereby the extension 27 will be able grip with its notch 28 in the arcs 24.
  • the 'coupled' filter element 13 will be taken out of the liquid separator 1.
  • the small removable covers 16 at the bottom are provided with a cavity 29 which is complementary to the elevation 18 of the cap 17.
  • Figure 7 shows a cross-section of the cover 5 of the vessel 2 with the filter elements, which shows how the cavities 29 fit over the elevations 18.
  • the operation of the installation 1 is simple and as follows.
  • the mixture flows through the inlet opening 11 in the bottom wall 10 of the shield 8 through the filter element 13 and thus ends up in the outlet zone 15.
  • the treated gas in the outlet zone 15 leaves the vessel 2 via the outlet 6.
  • the liquid that is filtered by the filter element 13 is collected at the bottom in the chamber 12 and discharged.
  • liquid separator 1 is part of a compressor installation comprising at least one compressor element to compress a gas, whereby one or more detachable or removable parts of the compressor installation are provided with the aforementioned cut-away 19.
  • tool 20 can also be used to loosen, twist, remove or replace these parts.
  • the aforementioned parts may concern oil filters or covers of thermostats for example.
  • the vessel 2 and the cover 5 form one whole, in other words that the cover 5 of the vessel 2 is not removable. That results in a fully enclosed vessel 2, for example whereby the shield 8 is fixed in the vessel 2. That results in a cheaper assembly of the liquid separator 1.
  • connection means are provided to attach the filter elements 13 to the bottom wall 10.
  • connection means can comprise a snap-on connection, for example.
  • This snap-on connection gives tactile feedback in case of correct installation when mounting the filter element 13.
  • connection means consist of two co-operating parts, whereby one part is provided on the bottom wall 10 and the other part on the filter element 13 itself.
  • connection means can consist of a female and a male part for example.
  • the cap 17 is provided in an elevation 18 on the cap 17, it is not excluded that the filter element 13 is fitted with a cap 17 or cover element at the top, whereby this cap 17 or cover element is provided with a double wall, whereby in the double wall a cut-away 19 is provided that can be opened with a tool 20 that is provided with a detailing 20a with a form that is complementary to the cut-away 19.
  • the removable cover 16 will not be provided with a cavity 29 at the bottom.
  • FIG 8 a variant embodiment is shown of a removable cover 16, whereby on the cover 16 a marking 30 or indication is applied which shows whether there is a filter element 13 under the cover 16.
  • the liquid separator 1 with different filter elements 13 as shown in figures 1 and 2 is a modular system. This means it is possible that not all openings 11 are filled with a filter element 13, depending on the application in which the liquid separator 1 is applied, in particular of the flow or the air speeds through the liquid separator 1.
  • the unused openings 1 can be closed, for example with a plug or the like.
  • the marking 30 indicates whether a filter element 13 is fitted under the cover 16 in question, such that, when you want to replace or take out the filter elements 13, only the covers 16 are opened whereby it is indicated that a filter element 13 is effectively fitted.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Filtration Of Liquid (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
EP18707140.2A 2017-01-23 2018-01-18 Liquid separator with improved filter service access Active EP3570960B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762449287P 2017-01-23 2017-01-23
BE2017/5741A BE1025129B1 (nl) 2017-01-23 2017-10-16 Vloeistofafscheider en gereedschap voor onderhoud van dergelijke vloeistofafscheider
PCT/IB2018/050309 WO2018134758A2 (en) 2017-01-23 2018-01-18 Liquid separator with improved filter service access and dedicated filter service replacement tool

Publications (2)

Publication Number Publication Date
EP3570960A2 EP3570960A2 (en) 2019-11-27
EP3570960B1 true EP3570960B1 (en) 2022-09-14

Family

ID=60320592

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18707140.2A Active EP3570960B1 (en) 2017-01-23 2018-01-18 Liquid separator with improved filter service access

Country Status (9)

Country Link
US (1) US11097216B2 (nl)
EP (1) EP3570960B1 (nl)
JP (1) JP7005637B2 (nl)
CN (2) CN108339344B (nl)
BE (1) BE1025129B1 (nl)
DE (1) DE202018006206U1 (nl)
ES (1) ES2933430T3 (nl)
PL (1) PL3570960T3 (nl)
WO (1) WO2018134758A2 (nl)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1025129B1 (nl) * 2017-01-23 2018-11-19 Atlas Copco Airpower Naamloze Vennootschap Vloeistofafscheider en gereedschap voor onderhoud van dergelijke vloeistofafscheider
DE202019104823U1 (de) 2018-09-14 2019-11-07 Atlas Copco Airpower, N.V. Gehäuse einer Flüssigkeitsabscheidungsvorrichtung zum Abscheiden einer Flüssigkeit aus einem Gas-Flüssigkeit-Gemisch
DE202019104824U1 (de) 2018-09-14 2019-10-24 Atlas Copco Airpower, N.V. Gehäuse einer Flüssigkeitsabscheidungsvorrichtung zum Abscheiden einer Flüssigkeit aus einem Gas-Flüssigkeit-Gemisch
BE1026613B9 (nl) 2018-09-14 2020-06-08 Atlas Copco Airpower Nv Behuizing van een vloeistofafscheidingsinrichting voor het afscheiden van een vloeistof uit een gas-vloeistofmengsel
BE1027152B1 (nl) 2019-04-01 2020-10-26 Atlas Copco Airpower Nv Vloeistofafscheider voor het afscheiden van een vloeistof uit een gas-vloeistofmengsel
CN112879716B (zh) * 2021-02-26 2022-07-12 苏州尚拓光辉科技有限公司 一种能够替换滤芯的废气处理管道

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2357943A (en) * 1944-09-12 Chemical apparatus
CH589800A5 (nl) * 1975-04-25 1977-07-15 Arx Ag
SE467891B (sv) * 1989-09-06 1992-09-28 Soederhamn Architect Ab Filteraggregat foer rening av tilluft innefattande luftfoervaermning
JP3272938B2 (ja) * 1996-03-21 2002-04-08 オリオン機械株式会社 圧縮空気の油・水分除去装置
US6270670B1 (en) * 1999-06-15 2001-08-07 Talhin/T Corp., Consumer Products Division Water filtration assembly
US6779859B2 (en) * 2002-03-15 2004-08-24 Maytag Corporation Freezer door assembly
US20070125048A1 (en) 2005-12-07 2007-06-07 Shawndra Products Natural gas filter for particulate and liquid impurities
FR2953570B1 (fr) * 2009-12-07 2017-08-25 Valeo Systemes Thermiques Dispositif de fixation d'une helice de ventilateur et ensemble d'une helice et d'un tel dispositif
TWM404056U (en) * 2010-11-09 2011-05-21 Stampro Metal Industry Co Ltd filtration apparatus
BE1022182A9 (nl) * 2013-10-03 2016-12-16 Atlas Copco Airpower Nv Vloeistofafscheider
JPWO2015107610A1 (ja) 2014-01-14 2017-03-23 株式会社日立産機システム 気液分離器及びそれを備える空気圧縮機
BE1025129B1 (nl) * 2017-01-23 2018-11-19 Atlas Copco Airpower Naamloze Vennootschap Vloeistofafscheider en gereedschap voor onderhoud van dergelijke vloeistofafscheider

Also Published As

Publication number Publication date
US20190336900A1 (en) 2019-11-07
ES2933430T3 (es) 2023-02-08
CN208244331U (zh) 2018-12-18
WO2018134758A3 (en) 2018-10-04
US11097216B2 (en) 2021-08-24
BE1025129B1 (nl) 2018-11-19
PL3570960T3 (pl) 2022-12-19
EP3570960A2 (en) 2019-11-27
DE202018006206U1 (de) 2019-07-31
JP7005637B2 (ja) 2022-01-21
WO2018134758A2 (en) 2018-07-26
JP2020507448A (ja) 2020-03-12
CN108339344A (zh) 2018-07-31
CN108339344B (zh) 2021-02-02
BE1025129A1 (nl) 2018-11-07
BR112019015159A2 (pt) 2020-03-24

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